CollectRuntimeStats(JSRuntime *rt, RuntimeStats *rtStats, ObjectPrivateVisitor *opv)
{
if (!rtStats->compartmentStatsVector.reserve(rt->compartments.length()))
return false;
rtStats->gcHeapChunkTotal =
size_t(JS_GetGCParameter(rt, JSGC_TOTAL_CHUNKS)) * gc::ChunkSize;
rtStats->gcHeapUnusedChunks =
size_t(JS_GetGCParameter(rt, JSGC_UNUSED_CHUNKS)) * gc::ChunkSize;
// This just computes rtStats->gcHeapDecommittedArenas.
IterateChunks(rt, rtStats, StatsChunkCallback);
// Take the per-compartment measurements.
IteratorClosure closure(rtStats, opv);
if (!closure.init())
return false;
rtStats->runtime.scriptSources = 0;
IterateCompartmentsArenasCells(rt, &closure, StatsCompartmentCallback,
StatsArenaCallback, StatsCellCallback);
// Take the "explicit/js/runtime/" measurements.
rt->sizeOfIncludingThis(rtStats->mallocSizeOf, &rtStats->runtime);
rtStats->gcHeapGcThings = 0;
for (size_t i = 0; i < rtStats->compartmentStatsVector.length(); i++) {
CompartmentStats &cStats = rtStats->compartmentStatsVector[i];
rtStats->totals.add(cStats);
rtStats->gcHeapGcThings += cStats.gcHeapThingsSize();
}
size_t numDirtyChunks =
(rtStats->gcHeapChunkTotal - rtStats->gcHeapUnusedChunks) / gc::ChunkSize;
size_t perChunkAdmin =
sizeof(gc::Chunk) - (sizeof(gc::Arena) * gc::ArenasPerChunk);
rtStats->gcHeapChunkAdmin = numDirtyChunks * perChunkAdmin;
rtStats->gcHeapUnusedArenas -= rtStats->gcHeapChunkAdmin;
// |gcHeapUnusedArenas| is the only thing left. Compute it in terms of
// all the others. See the comment in RuntimeStats for explanation.
rtStats->gcHeapUnusedArenas = rtStats->gcHeapChunkTotal -
rtStats->gcHeapDecommittedArenas -
rtStats->gcHeapUnusedChunks -
rtStats->totals.gcHeapUnusedGcThings -
rtStats->gcHeapChunkAdmin -
rtStats->totals.gcHeapArenaAdmin -
rtStats->gcHeapGcThings;
return true;
}
CollectRuntimeStats(JSRuntime *rt, RuntimeStats *rtStats)
{
if (!rtStats->compartmentStatsVector.reserve(rt->compartments.length()))
return false;
rtStats->gcHeapChunkCleanDecommitted =
rt->gcChunkPool.countCleanDecommittedArenas(rt) * gc::ArenaSize;
rtStats->gcHeapChunkCleanUnused =
size_t(JS_GetGCParameter(rt, JSGC_UNUSED_CHUNKS)) * gc::ChunkSize -
rtStats->gcHeapChunkCleanDecommitted;
rtStats->gcHeapChunkTotal =
size_t(JS_GetGCParameter(rt, JSGC_TOTAL_CHUNKS)) * gc::ChunkSize;
IterateCompartmentsArenasCells(rt, rtStats, StatsCompartmentCallback,
StatsArenaCallback, StatsCellCallback);
IterateChunks(rt, rtStats, StatsChunkCallback);
rtStats->runtimeObject = rtStats->mallocSizeOf(rt);
rt->sizeOfExcludingThis(rtStats->mallocSizeOf,
&rtStats->runtimeNormal,
&rtStats->runtimeTemporary,
&rtStats->runtimeRegexpCode,
&rtStats->runtimeStackCommitted,
&rtStats->runtimeGCMarker);
rtStats->runtimeAtomsTable =
rt->atomState.atoms.sizeOfExcludingThis(rtStats->mallocSizeOf);
for (ContextIter acx(rt); !acx.done(); acx.next())
rtStats->runtimeContexts += acx->sizeOfIncludingThis(rtStats->mallocSizeOf);
// This is initialized to all bytes stored in used chunks, and then we
// subtract used space from it each time around the loop.
rtStats->gcHeapChunkDirtyUnused = rtStats->gcHeapChunkTotal -
rtStats->gcHeapChunkCleanUnused -
rtStats->gcHeapChunkCleanDecommitted -
rtStats->gcHeapChunkDirtyDecommitted;
for (size_t index = 0;
index < rtStats->compartmentStatsVector.length();
index++) {
CompartmentStats &cStats = rtStats->compartmentStatsVector[index];
size_t used = cStats.gcHeapArenaHeaders +
cStats.gcHeapArenaPadding +
cStats.gcHeapArenaUnused +
cStats.gcHeapObjectsNonFunction +
cStats.gcHeapObjectsFunction +
cStats.gcHeapStrings +
cStats.gcHeapShapesTree +
cStats.gcHeapShapesDict +
cStats.gcHeapShapesBase +
cStats.gcHeapScripts +
cStats.gcHeapTypeObjects +
cStats.gcHeapXML;
rtStats->gcHeapChunkDirtyUnused -= used;
rtStats->gcHeapArenaUnused += cStats.gcHeapArenaUnused;
rtStats->totalObjects += cStats.gcHeapObjectsNonFunction +
cStats.gcHeapObjectsFunction +
cStats.objectSlots +
cStats.objectElements +
cStats.objectMisc;
rtStats->totalShapes += cStats.gcHeapShapesTree +
cStats.gcHeapShapesDict +
cStats.gcHeapShapesBase +
cStats.shapesExtraTreeTables +
cStats.shapesExtraDictTables +
cStats.shapesCompartmentTables;
rtStats->totalScripts += cStats.gcHeapScripts +
cStats.scriptData;
rtStats->totalStrings += cStats.gcHeapStrings +
cStats.stringChars;
#ifdef JS_METHODJIT
rtStats->totalMjit += cStats.mjitCode +
cStats.mjitData;
#endif
rtStats->totalTypeInference += cStats.gcHeapTypeObjects +
cStats.typeInferenceSizes.objects +
cStats.typeInferenceSizes.scripts +
cStats.typeInferenceSizes.tables;
rtStats->totalAnalysisTemp += cStats.typeInferenceSizes.temporary;
}
size_t numDirtyChunks = (rtStats->gcHeapChunkTotal -
rtStats->gcHeapChunkCleanUnused) /
gc::ChunkSize;
size_t perChunkAdmin =
sizeof(gc::Chunk) - (sizeof(gc::Arena) * gc::ArenasPerChunk);
rtStats->gcHeapChunkAdmin = numDirtyChunks * perChunkAdmin;
rtStats->gcHeapChunkDirtyUnused -= rtStats->gcHeapChunkAdmin;
// Why 10000x? 100x because it's a percentage, and another 100x
// because nsIMemoryReporter requires that for percentage amounts so
// they can be fractional.
rtStats->gcHeapUnusedPercentage = (rtStats->gcHeapChunkCleanUnused +
rtStats->gcHeapChunkDirtyUnused +
rtStats->gcHeapChunkCleanDecommitted +
rtStats->gcHeapChunkDirtyDecommitted +
rtStats->gcHeapArenaUnused) * 10000 /
rtStats->gcHeapChunkTotal;
return true;
}
CollectRuntimeStats(JSRuntime *rt, RuntimeStats *rtStats)
{
if (!rtStats->compartmentStatsVector.reserve(rt->compartments.length()))
return false;
rtStats->gcHeapChunkCleanDecommitted =
rt->gcChunkPool.countCleanDecommittedArenas(rt) * gc::ArenaSize;
rtStats->gcHeapChunkCleanUnused =
size_t(JS_GetGCParameter(rt, JSGC_UNUSED_CHUNKS)) * gc::ChunkSize -
rtStats->gcHeapChunkCleanDecommitted;
rtStats->gcHeapChunkTotal =
size_t(JS_GetGCParameter(rt, JSGC_TOTAL_CHUNKS)) * gc::ChunkSize;
IterateCompartmentsArenasCells(rt, rtStats, StatsCompartmentCallback,
StatsArenaCallback, StatsCellCallback);
IterateChunks(rt, rtStats, StatsChunkCallback);
rt->sizeOfIncludingThis(rtStats->mallocSizeOf, &rtStats->runtime);
// This is initialized to all bytes stored in used chunks, and then we
// subtract used space from it each time around the loop.
rtStats->gcHeapChunkDirtyUnused = rtStats->gcHeapChunkTotal -
rtStats->gcHeapChunkCleanUnused -
rtStats->gcHeapChunkCleanDecommitted -
rtStats->gcHeapChunkDirtyDecommitted;
rtStats->totalMjit = rtStats->runtime.mjitCode;
for (size_t index = 0;
index < rtStats->compartmentStatsVector.length();
index++) {
CompartmentStats &cStats = rtStats->compartmentStatsVector[index];
size_t used = cStats.gcHeapArenaHeaders +
cStats.gcHeapArenaPadding +
cStats.gcHeapArenaUnused +
cStats.gcHeapObjectsNonFunction +
cStats.gcHeapObjectsFunction +
cStats.gcHeapStrings +
cStats.gcHeapShapesTree +
cStats.gcHeapShapesDict +
cStats.gcHeapShapesBase +
cStats.gcHeapScripts +
#if JS_HAS_XML_SUPPORT
cStats.gcHeapXML +
#endif
cStats.gcHeapTypeObjects;
rtStats->gcHeapChunkDirtyUnused -= used;
rtStats->gcHeapArenaUnused += cStats.gcHeapArenaUnused;
rtStats->totalObjects += cStats.gcHeapObjectsNonFunction +
cStats.gcHeapObjectsFunction +
cStats.objectSlots +
cStats.objectElements +
cStats.objectMisc;
rtStats->totalShapes += cStats.gcHeapShapesTree +
cStats.gcHeapShapesDict +
cStats.gcHeapShapesBase +
cStats.shapesExtraTreeTables +
cStats.shapesExtraDictTables +
cStats.shapesCompartmentTables;
rtStats->totalScripts += cStats.gcHeapScripts +
cStats.scriptData;
rtStats->totalStrings += cStats.gcHeapStrings +
cStats.stringChars;
rtStats->totalMjit += cStats.mjitData;
rtStats->totalTypeInference += cStats.gcHeapTypeObjects +
cStats.typeInferenceSizes.objects +
cStats.typeInferenceSizes.scripts +
cStats.typeInferenceSizes.tables;
rtStats->totalAnalysisTemp += cStats.typeInferenceSizes.temporary;
}
size_t numDirtyChunks = (rtStats->gcHeapChunkTotal -
rtStats->gcHeapChunkCleanUnused) /
gc::ChunkSize;
size_t perChunkAdmin =
sizeof(gc::Chunk) - (sizeof(gc::Arena) * gc::ArenasPerChunk);
rtStats->gcHeapChunkAdmin = numDirtyChunks * perChunkAdmin;
rtStats->gcHeapChunkDirtyUnused -= rtStats->gcHeapChunkAdmin;
rtStats->gcHeapUnused = rtStats->gcHeapChunkDirtyUnused +
rtStats->gcHeapChunkCleanUnused +
rtStats->gcHeapArenaUnused;
rtStats->gcHeapCommitted = rtStats->gcHeapChunkTotal -
rtStats->gcHeapChunkCleanDecommitted -
rtStats->gcHeapChunkDirtyDecommitted;
return true;
}
